Lease forming attachment



March 21, 1944.

' w. J. O CONNOR 2,344,721 LEASE FORMIN'G ATTACHMENT Filed Jan. 27, 1943 Patented Mar. 21, 1944 UNITED STATES 2,344,721

la esE EQKMJ William J. OGonnor, Draciit, -Mass., assignor'lto Newmarket Manufacturing Gcmpany, Lowell, Mass., aieorporation of Massachgeetts Are-linden Jensen 1943, SefielNe seen (CLZHQ') 2 Eisen (.4000) threads or ends .on .a warp beam, there may be four (4) thread rolls or section beams .each with one thousand (M100). ends. The warp beam is positively driven but with .a yielding mo.- tion and there may be produced from the four (4) thread rolls :four or more finished warp beams.

As it is usually done, the four (41 sheets of threads from the four 4) thread rolls pass over separating rods and then through and between dents of a special type in a comb of a well known type, having a removable top but different from what is shown in the patent to Peterson, No. 1,605,277 of November 2, 1926. Four (4-) threads, one from each roll, are in the space between each two dents and in one system all of the fpur thousand (4000) threads then pass over various rolls of the slasher andin some cases through a liquid bath and from thence to the warp beam proper,

The thread rolls or section beams are also provided with brakes or retarding means, the tensien ,ofeach roll being so regulated that all the threads passing through the comb will have as nearly as possible the same tension.

Each thread roll or section beam can 13h.-

olle o ro ed ba ind i ua bi can :b

urned j r er mor easily h n it an be tur d beCk o e e unte he W it brak i ma e e pu pos n n ra o q m a lease at one or both ends of each warp on the warp beam and to h l it i place by tapes wh h are p ss throu t sheds by m an Q e se reds or s ie s'w ie ar t remer so that in sam easesthetaped warp can pass through ,th eslash: er i other c se ew 0 1w th wa ee-me a the me od- Q qrmins a ease t t a sensin 111 and da n an res d it to form a shed in each sheet iron; a thread rell by manipulating it with a warp lifting lease rod on aled th w ame The a te nate dent r h s eve-b a e bea s a an ed th if she 'of t r ad s moved and tr nsv rse ly in one direction or the comb itself is moved op no itely ha t e thtcads a ca gh wh le t ethe hal seep sales u with esult that a she a itssene atie rosin & transversel th e l o an. a s c nd s edf mme f- Al the et er sh ets are tre ted n th ame y th th result. th a lea we c n. he Pa s between the'top l d hottom separated-threads bere e the can? .tq'ls p thmsepemt Qr ee il each eparat ons ed wi h S e t s hrea s is li t d castrate-s1 91. a reels a d th same proceeding is carried out with the nest en aties meted s e cf threads, f m the nx thie 'r iv Eventnally, with fonr (4;) r0115, there will be four "(4 set s of threads which 1 will call the top threads end-gnu (4;) more sets of threads which I will'call the bottom threads which alternate witli'the topthreads.

After passing a warp lifting lease rod between the mi; andbtton threads er the first shed-Van opposite shedjto cross the threads and ior-rn a lease, is taken by reversing the process. On the old system, there was a figred' lower-rack with side arms which sloped from tow-ards the thread rolls down towards the comb with'a plurality of -pairs of :h'ooks or pins on whichthe warp lifting lease rods rested at the beginning of the operation, each with a sheet of threads from a thread roll passing .over it.

There'wa's another vertical upper rack with a series of pairs .of hooks or rod holding pins and (the proceeding was as follows:

. The top rod was lifted by: a man on each side and at the same time it was moved with the sheet of threads transversely of the sheet .of threads in one direction, or the comb was moved, alternate threads catching in the. hooks .of the dents and forming a shed. This rod was placed on an upper pair of hooks of the upper rack. The next rod with its sheet of Warp was treated in a'similar way, being moved transversely of the sheet of warp threads in the opposite direction, and was placed on alower pair of hooks onthe upper rack then the third, etc, until all of the sheets of warp threads 'from the thread rolls had een separated, whereupon a lease rod was passed between the top threads and the bottom threads thus retainingthe, alternate crossed threads of the first shed place.

To form a lease, it was now necessary to bring back the warp lifting lease rods to their original n s tions the r el: and this was done either by Q) e man 9; by; 9 men lifting the bot: tom rod from the low r hacks of the upper rack Fig. 2 is an isometric view of one side of the top rack and Fig. 3 of the rack lifting devices.

Fig. 2A is a view looking down from the top front on the two racks when they are together.

Fig. 4 is an elevation of a leasing comb and Fig. 5 is an enlarged diagrammatic section showing some of the dents of the comb and the movement of the threads.

Fig. 6 is a diagrammatic side elevation showing the sheets of warp after sheds have been taken in them.

excess thread. Moreover, each threadroll must be turned back individually to bring the sheets of thread back to their first position of passing over the respective rods so thatthe cross" lease could be taken by a similar sequence of movements to cause the top threads of the first shed to become the bottom threads of the second shed.

This invention is a means to more quickly take up the excess of thread over the rods in the upper rack and the provision of a movable upper rack of substantially the same character as the fixed lower rack having side arms just outside of the side arms-0f the fixed lower rack and which can be raised and held in the up position while the separating rods are lifted with their respective sheets of warp and placed in corresponding positions in this movable upper rack.

In the preferred form, I provide upper rack raising and lowering means which will allow the upper rack to be slowly lowered to a position outside the lower or fixed rack while the combined warp is being wound up onto the warp beam, thus taking up the slack or different lengthsof thread between the various thread rolls and the comb according to the angle at which the sheets of the warp passed over the separating. rods in the upper rack in its raised position. As this slack is taken up, all the thread rolls will turn forward, not back together. The slack of the sheet of thread going over the bottom rod will be taken up first but the others quickly follow.

v This upper rack could be raised and lowered by a man on each side but preferably it is raised and lowered by mechanism which can be timed, controlled and synchronized with the winding up of the warp on the warp beam.

The advantages of my device and process are that they save much time and strength'because, While the time of lifting each rod with its sheet of warp to form a shed is about the same as before, by lowering the top rack with all the rods together instead of lowering one rod at a time, I avoid the attendant delay of turning back each separate thread roll. As there may be three leases or six sheds for each warp made up on and removed from a warp beam, this may mean lifting a large number of lease rods for each'of a substantial number of warps. The number of liftings of rods and their sheets of warps and of turning back the thread rolls may be very great.

Moreover, the thread beams are often so heavy that women are not strong enough to handle them and men must be employed to turn them. back while with my device women or girls can easily do the lifting of the rods-and sheets and there is no turning back of the thread rolls. On each slasher there is a saving of from ten to twenty per cent (10% to 20%) in the time required for leasing. s

In the drawing, d

Fig. 1 is a diagrammatic side elevation of the principal parts ofa slasher of a well known type with my devices in place. i

In the drawing, A, A, A, A, represent four thread rolls each carried in suitable bearings and is fastened at I00 to the frame Z at its other end.

T, T, T, T, represent the sheets of warp threads which are wound on the various rolls A, A, A, A. These sheets of thread pass over warp lifting lease rods RI, R2, R3, R4, respectively, shown as supported by a bottom rack B which is fixed to the frame Z and from which the fingers 6 I, 6|, 6|, 6|, project upwardly. From these rods, the sheets of threads T, T, T, T, pass through a leasing comb C of a well known type having dents or spacers such as 42 and 45 carried by a. bottom frame 40 and a top or head 4|. The dents 42 ar plain or smooth on each side while the dents 45 have the downwardly projecting teeth 43 on each side as shown in Fig. 4.

By a, well known method with top or head I! removed, a single thread from each roll A is passed between each two dents, the parts being so positioned that in the beginning these threads are all below the teeth 43 as shown in Fig. 4.

In a well known manner, when a warp lifting lease rod such as R is raised and moved as to the left of Fig. 4, one thread 52- will continue going up while each adjoining thread5l will be caught under a tooth 43. The rod and sheet are moved up and they or the comb can be moved to right or left.

The warp lifting lease rods R, RI, etc., need not be placed in the rack B but each can be pushed in from the side under a sheet of warp threads T and then raised and moved to the right or left with that sheet.

When the next sheet is lifted it is moved as to the right of Fig. 4 so that theneXt ends will be caught on the other side by a tooth 43 and the adjoining ones will continue up to the top. As' this is repeated as to the left of Fig. 4 and as to the right of Fig. 4, it will be seen that there will be alternate threads positioned in the top part of a shed as compared with those in the bottom part and at that time a separating stick or rod such as N can be passed between them so as-to retain the shed.

It is now necessary to reverse the threads by bringing the top ones below and the bottom ones above. Preferably I use outside the fixed rack B, a movable rack F, the side arms 63 of which are outside of the side arms 60 of rack B and its rod holding fingers. The rod holding fingers 6|, on both sides of stationary rack Band 66 of movable rack R correspond with each other so that when rack F is moved down outside of rack B, the rods carried by it will be delivered into the fingers of rack B. Rack F can be moved from position Fl to $2 by manipulating the pairs of arms I, I, and

One end of each arm such as I is pivoted at 3 to the top of rack F and the other end at 4 is pivoted to the frame Z while each of the other pair of arms, such as 2, 2, is pivoted respectively at one end having a hole 26 to the bottom end of rack F on a pin 6 and the other end at to frame Z.

For manipulating this top rack and moving it up and down, I show the hand operable pulley 8, with releasable locking means 9 and a turning wheel 90 around which is wound the lifting cord 1 which passes over a pulley such as L shown as fixed to the ceiling D and which extends down and its attached to a member 65 extending between and carrying the side arms 63, 63, of rack F. By turning this wheel 90, rack F can be lifted to Fl and locked in place by the device 9. When it is desired to lower rack F, means 9 is released and the pulley 8 is allowed to unwind the rope I, thus dropping rack F into the position F2 from Fl.

Referring to Figs. 1 and 2 when the movable rack F is in the raised position, shown in full lines by Fl, it is ready to receive and hold, as they are lifted by hand, the rods RI, R2, R3,

each carrying with it a sheet of warp threads T and when all the rods are so held and carried by rack F, it is lowered, as just described, to the F2 position shown by the dotted lines in Fig. 1 until the rods are stopped by the fingers 6| iii of stationary rack B.

To entirely clear the fingers on rack F from the fingers on rack B, I find it convenient to release the bottom end of rack F from the bottom arms 2, 2, as shown in Fig. 2 allowing the top arms I l, with movable rack F to be lifted up out of the way of the operators by turning wheel 90 to wind up rope I.

Arms 2, 2, can now be raised and .by engaging each hook I! with a pin 6, each arm is held up out of the way.

As shown, the end of each arm such as 2 is preferably provided with a hole 26 to engage or disengage a pin pivot 6 so that they can be released allowing frame F to drop to the position F3 shown in Fig. 2.

H represents that part of the slasher which generally includes drying rolls such as 10 and K represents the warp beam which as shown is caused to revolve as by an electric motor ll energized as by conductors l2 and 13 which are controlled by the shipper handle such as l0. Any mechanical or known device for stopping and starting the warp beam K can be used.

For convenience I have indicated the sheets of thread on and from each thread roll A by the letter T but after they have been separated to form a single shed or a double shed namely a lease, I have indicated them by W. The separating stick such as N, at a suitable time is replaced by a tape such as S as this allows the leased warp to pass through the slasher and to be wound on the warp beam K without obstructing anything.

I claim:

1. The combination with a rayon slasher ineluding a frame, drying rolls, a positively driven warp beam, means to so drive the warp beam in cluding manually controllable means to stop and start it, a plurality of thread rolls, a brake for each thread roll, a leasing comb and a fixed lease rod rack attached to the frame and including two sloping arms each with a plurality of fingers for holding warp lifting lease rods; of a movable lease rod rack including two arms each positioned outside the fixed lease rod rack arms and of substantially the same shape and slope and with fingers which substantially correspond with those on the fixed rack; two pairs of rack carrier arms, one end of each arm of each pair being pivoted at one end to the top of the movable rack and the other end being pivoted to the frame, and one end of each arm of the second pair of arms being releasably pivoted to the bottom end of the movable rack and its other end being pivoted to the frame at a distance from the pivot of the first carrier arm, the carrier arms being substantially parallel; and rack lifting means including a hand-operable pulley having releasable locking means, a lifting cord which passes around such pulley and over another pulley above the movable rack and which connects with the movable rack whereby individual warp lifting lease rods can successively be raised and rested on the fingers of the movable lease rod rack and that rack with all the lease rods can be lowered while the warp beam is turning and winding up the slack of the sheets of warp threads.

2. The combination with a rayon slasher including a frame, a positively driven warp beam, means to so drive the warp beam including manually controllable means to stop and start it, a plurality of thread rolls, a brake for each thread roll, a leasing comb lease rod rack attached to the frame and including two sloping arms each with a plurality of fingers for holding warp lifting lease rods; of a movable lease rod rack including two arms each positioned outside the fixed lease rod rack arms and of substantially the same shape and slope and with fingers which substantially correspond with those on the fixed rack; and manually controllable means to raise and lower the movable rack whereby individual warp lifting lease rods can successively be raised and rested on the fingers of the movable lease rod rack and that rack with all the lease rods can be lowered while the warp beam is turning and winding up the slack of the sheets of warp threads.

WILLIAM J. OCONNOR. 

